Method and Apparatus for Transmitting Control Channel in Intra-Cell Carrier Aggregation System

1. A method by a terminal in a communication system, the method comprising: receiving configuration information including information on a special subframe configuration; receiving information on an uplink control channel format indicating that a first format is configured for the terminal; receiving downlink data on at least one of a first subframe of a primary cell or the first subframe of a secondary cell; identifying, according to the first subframe of the secondary cell being a special subframe, an uplink control channel format for feedback information corresponding to the downlink data as the first format or a second format based on whether the first subframe of the secondary cell is one of a special subframe of configurations 0 or 5 with a normal cyclic prefix (CP) or a special subframe of configurations 0 or 4 with an extended CP; and transmitting the feedback information corresponding to the downlink data on a second subframe of the primary cell based on the identified uplink control channel format.

2. The method of claim 1 , wherein the uplink control channel format for the feedback information is identified as the second format according to the first subframe of the secondary cell being the special subframe of configurations 0 and 5 with the normal CP or the special subframe of configurations 0 and 4 with the extended CP.

3. The method of claim 1 , wherein the first format is a physical uplink control channel (PUCCH) format 1b with channel selection, and wherein the second format is a PUCCH format 1a/1b.

4. The method of claim 1 , further comprising: receiving information on the uplink control channel format indicating that a third format is configured for the terminal; receiving downlink data on a third subframe; identifying a number of bits for feedback information corresponding to the downlink data based on a number of configured serving cells with the third subframe configured as a downlink subframe or a special subframe except the special subframe of configurations 0 and 5 with the normal CP or of configurations 0 and 4 with the extended CP; and transmitting the feedback information using the third format based on the identified number of bits on a fourth subframe of the primary cell, wherein the third format is a PUCCH format 3.

5. The method of claim 4 , wherein the number of bits for the feedback information is determined based on at least one of a downlink transmission mode configured for the primary cell or a downlink transmission mode configured for the secondary cell.

6. A method by a base station in a communication system, the method comprising: transmitting configuration information including information on a special subframe configuration for a terminal; transmitting information on an uplink control channel format indicating that a first format is configured for the terminal; transmitting downlink data on at least one of a first subframe of a primary cell or the first subframe of a secondary cell; identifying, according to the first subframe of the secondary cell being a special subframe, an uplink control channel format for feedback information corresponding to the downlink data as the first format or a second format based on whether the first subframe of the secondary cell is one of a special subframe of configurations 0 or 5 with a normal cyclic prefix (CP) or a special subframe of configurations 0 or 4 with an extended CP; and receiving the feedback information corresponding to the downlink data on a second subframe of the primary cell based on the identified uplink control channel format.

7. The method of claim 6 , wherein the uplink control channel format for the feedback information is identified as the second format according to the first subframe of the secondary cell being the special subframe of configurations 0 and 5 with the normal CP or the special subframe of configurations 0 and 4 with the extended CP.

8. The method of claim 6 , wherein the first format is a physical uplink control channel (PUCCH) format 1b with channel selection, and wherein the second format comprises is a PUCCH format 1a/1b.

9. The method of claim 6 , further comprising: transmitting information on the uplink control channel format indicating that a third format is configured for the terminal; transmitting downlink data on a third subframe; identifying a number of bits for feedback information corresponding to the downlink data based on a number of configured serving cells with the third subframe configured as a downlink subframe or a special subframe except the special subframe of configurations 0 and 5 with the normal CP or of configurations 0 and 4 with the extended CP; and receiving the feedback information using the third format based on the identified number of bits on a fourth subframe of the primary cell, wherein the third format is a PUCCH format 3.

10. The method of claim 9 , wherein the number of bits for the feedback information is determined based on at least one of a downlink transmission mode configured for the primary cell or a downlink transmission mode configured for the secondary cell.

11. A terminal in a communication system, the terminal comprising: a transceiver; and at least one processor coupled with the transceiver and configured to: receive configuration information including information on a special subframe configuration, receive information on an uplink control channel format indicating that a first format is configured for the terminal, receive downlink data on at least one of a first subframe of a primary cell or the first subframe of a secondary cell, identify, if the first subframe of the secondary cell is a special subframe, an uplink control channel format for feedback information corresponding to the downlink data as the first format or a second format based on whether the first subframe of the secondary cell is one of a special subframe of configurations 0 or 5 with a normal cyclic prefix (CP) or a special subframe of configurations 0 or 4 with an extended CP, and transmit the feedback information corresponding to the downlink data on a second subframe of the primary cell based on the identified uplink control channel format.

12. The terminal of claim 11 , wherein the uplink control channel format for the feedback information is identified as the second format, if the first subframe of the secondary cell is the special subframe of configurations 0 and 5 with the normal CP or the special subframe of configurations 0 and 4 with the extended CP.

13. The terminal of claim 11 , wherein the first format is a physical uplink control channel (PUCCH) format 1b with channel selection, and wherein the second format is a PUCCH format 1a/1b.

14. The terminal of claim 11 , wherein the at least one processor is further configured to: receive information on the uplink control channel format indicating that a third format is configured for the terminal, receive downlink data on a third subframe, identify a number of bits for feedback information corresponding to the downlink data based on a number of configured serving cells with the third subframe configured as a downlink subframe or a special subframe except the special subframe of configurations 0 and 5 with the normal CP or of configurations 0 and 4 with the extended CP, and transmit the feedback information using the third format based on the identified number of bits on a fourth subframe of the primary cell, and wherein the third format is a PUCCH format 3.

15. The terminal of claim 14 , wherein the number of bits for the feedback information is determined based on at least one of a downlink transmission mode configured for the primary cell or a downlink transmission mode configured for the secondary cell.

16. A base station in a communication system, the base station comprising: a transceiver; and at least one processor coupled with the transceiver and configured to: transmit configuration information including information on a special subframe configuration for a terminal, transmit information on an uplink control channel format indicating that a first format is configured for the terminal, transmit downlink data on at least one of a first subframe of a primary cell or the first subframe of a secondary cell, identify, if the first subframe of the secondary cell is a special subframe, an uplink control channel format for feedback information corresponding to the downlink data as the first format or a second format based on whether the first subframe of the secondary cell is one of a special subframe of configurations 0 or 5 with a normal cyclic prefix (CP) or a special subframe of configurations 0 or 4 with an extended CP, and receive the feedback information corresponding to the downlink data on a second subframe of the primary cell based on the identified uplink control channel format.

17. The base station of claim 16 , wherein the uplink control channel format for the feedback information is identified as the second format, if the first subframe of the secondary cell is the special subframe of configurations 0 and 5 with the normal CP or the special subframe of configurations 0 and 4 with the extended CP.

18. The base station of claim 16 , wherein the first format is a physical uplink control channel (PUCCH) format 1b with channel selection, and wherein the second format comprises is a PUCCH format 1a/1b.

19. The base station of claim 16 , wherein the at least one processor is further configured to: transmit information on the uplink control channel format indicating that a third format is configured for the terminal, transmit downlink data on a third subframe, identify a number of bits for feedback information corresponding to the downlink data based on a number of configured serving cells with the third subframe configured as a downlink subframe or a special subframe except the special subframe of configurations 0 and 5 with the normal CP or of configurations 0 and 4 with the extended CP, and receive the feedback information using the third format based on the identified number of bits on a fourth subframe of the primary cell, and wherein the third format is a PUCCH format 3.

20. The base station of claim 19 , wherein the number of bits for the feedback information is determined based on at least one of a downlink transmission mode configured for the primary cell or a downlink transmission mode configured for the secondary cell.